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US 6,566,883 B1Granted
Electronic battery tester
AssigneeMidtronics, Inc.
InventorsJ. David Vonderhaar, Kevin I. Bertness
Life of this patent
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Abstract
An electronic battery tester for testing a storage battery includes test circuitry configured to provide an output based upon a selected test criteria. Additionally, circuitry is provided to assist in balancing batteries used in a string of multiple batteries.
Claims22
An electronic battery tester for use in configuring a plurality of storage batteries in a battery pack, comprising:
- a dynamic measurement circuit configured to measure a first dynamic parameter of a first storage battery;
- a memory configured to store a second dynamic parameter from related to a second battery of the battery pack;
- balance circuitry configured to provide an in-balance output if the second battery in the pack has a second dynamic parameter which is substantially equal to the first dynamic parameter.
A method of testing a storage battery, comprising:
- performing a dynamic measurement on the storage batter to obtain a dynamic parameter of the battery;
- receiving an input related to a selected test criteria;
- retrieving a stored test criteria in response to the received selected test criteria from a memory;
- evaluating the storage battery as a function of the measured dynamic parameter and the retrieved test criteria;
- and
- wherein receiving an input comprises receiving a user input.
3 more elements
A method in an electronic battery tester of configuring a plurality of storage batteries in a battery pack, comprising:
- measuring a first dynamic parameter of a first battery in the pack;
- storing the first parameter in a memory;
- measuring a second dynamic parameter of a second battery in the pack;
- retrieving the first dynamic parameter from the memory;
- comparing the first dynamic parameter to the second dynamic parameter;
- and
- providing an in-balance output of the first dynamic parameter is substantially equal to the second dynamic parameter.
4 more elements
Dependencies are inferred from the claim text.